TW558168U - Voltage controlled oscillator having a bandpass filter - Google Patents

Voltage controlled oscillator having a bandpass filter

Info

Publication number
TW558168U
TW558168U TW091218577U TW91218577U TW558168U TW 558168 U TW558168 U TW 558168U TW 091218577 U TW091218577 U TW 091218577U TW 91218577 U TW91218577 U TW 91218577U TW 558168 U TW558168 U TW 558168U
Authority
TW
Taiwan
Prior art keywords
bandpass filter
controlled oscillator
voltage controlled
oscillator
bandpass
Prior art date
Application number
TW091218577U
Other languages
Chinese (zh)
Inventor
Ming-Shiumn Yeh
Original Assignee
Delta Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delta Electronics Inc filed Critical Delta Electronics Inc
Priority to TW091218577U priority Critical patent/TW558168U/en
Priority to US10/377,708 priority patent/US6992535B2/en
Priority to SG200301299A priority patent/SG107134A1/en
Priority to JP2003001408U priority patent/JP3096527U/en
Publication of TW558168U publication Critical patent/TW558168U/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
    • H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2202/00—Aspects of oscillators relating to reduction of undesired oscillations
    • H03B2202/05—Reduction of undesired oscillations through filtering or through special resonator characteristics
TW091218577U 2002-11-19 2002-11-19 Voltage controlled oscillator having a bandpass filter TW558168U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW091218577U TW558168U (en) 2002-11-19 2002-11-19 Voltage controlled oscillator having a bandpass filter
US10/377,708 US6992535B2 (en) 2002-11-19 2003-03-04 Voltage-controlled oscillator having a bandpass filter
SG200301299A SG107134A1 (en) 2002-11-19 2003-03-10 Voltage-controlled oscillator having a bandpass filter
JP2003001408U JP3096527U (en) 2002-11-19 2003-03-18 Voltage controlled oscillator with bandpass filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW091218577U TW558168U (en) 2002-11-19 2002-11-19 Voltage controlled oscillator having a bandpass filter

Publications (1)

Publication Number Publication Date
TW558168U true TW558168U (en) 2003-10-11

Family

ID=32295215

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091218577U TW558168U (en) 2002-11-19 2002-11-19 Voltage controlled oscillator having a bandpass filter

Country Status (4)

Country Link
US (1) US6992535B2 (en)
JP (1) JP3096527U (en)
SG (1) SG107134A1 (en)
TW (1) TW558168U (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2596614Y2 (en) * 1991-07-19 1999-06-21 バブコック日立株式会社 Inorganic fiber plate catalyst
JP2004228946A (en) * 2003-01-23 2004-08-12 Mitsubishi Electric Corp Semiconductor integrated circuit device
JP3885073B2 (en) * 2004-07-30 2007-02-21 日本テキサス・インスツルメンツ株式会社 Buffer circuit
JP2012039574A (en) * 2010-08-11 2012-02-23 Nippon Dempa Kogyo Co Ltd Voltage-controlled oscillator
EP2945296B1 (en) * 2013-01-08 2019-10-02 Murata Manufacturing Co., Ltd. Spread spectrum communication apparatus
US9917547B2 (en) * 2013-01-09 2018-03-13 Nxp Usa, Inc. Voltage controlled oscillator
US11323070B1 (en) * 2021-04-16 2022-05-03 Apple Inc. Oscillator with fin field-effect transistor (FinFET) resonator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5185303A (en) * 1975-01-23 1976-07-26 Tokyo Shibaura Electric Co
US5263197A (en) * 1991-09-20 1993-11-16 Matsushita Communication Industrial Corporation Of America Dual port oscillator for two-stage direct conversion receiver
GB2294599B (en) * 1994-10-28 1999-04-14 Marconi Instruments Ltd A frequency synthesiser
US6057740A (en) * 1998-04-06 2000-05-02 Northrop Grumman Corporation Local oscillator system using harmonic derived from phase locked loop
EP1184968A3 (en) * 2000-08-11 2002-11-06 Nihon Dempa Kogyo, Co., Ltd. High-frequency crystal oscillator

Also Published As

Publication number Publication date
US20040095198A1 (en) 2004-05-20
JP3096527U (en) 2003-09-26
SG107134A1 (en) 2004-11-29
US6992535B2 (en) 2006-01-31

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees